/* =========================================================
   PrediPasswords — style.css (RTL, Light/Dark, Polished)
========================================================= */

/* ===== الأساسيات والثيم ===== */
:root{
  --bg:#f7f8fb; --card:#ffffff; --text:#0f172a; --muted:#667084;
  --border:#e5e7eb; --primary:#2563eb; --primary-2:#60a5fa;
  --success:#16a34a; --warn:#f59e0b; --danger:#ef4444;

  --chip:#eef2ff; --chip-text:#1e293b;
  --gap:16px;

  --shadow-sm:0 2px 6px rgba(15,23,42,.06);
  --shadow:0 12px 26px rgba(15,23,42,.10);
  --shadow-lg:0 18px 40px rgba(15,23,42,.14);
  --r:12px; --r-lg:16px; --r-xl:20px;

  --section-bg:#f0f4ff;
  --section-head:#1d4ed8;

  --ring:0 0 0 3px rgba(37,99,235,.18);
}

html[data-theme="dark"]{
  --bg:#0e1116; --card:#151922; --text:#e6e9f0; --muted:#9aa3b2;
  --border:#1f2430; --primary:#60a5fa; --primary-2:#2563eb;
  --chip:#1b2230; --chip-text:#cbd5e1;

  --shadow-sm:0 2px 6px rgba(0,0,0,.28);
  --shadow:0 12px 26px rgba(0,0,0,.36);
  --shadow-lg:0 18px 40px rgba(0,0,0,.45);

  --section-bg:#0d1b2a;
  --section-head:#3b82f6;
}

/* ===== قواعد عامة ===== */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:'Tajawal',system-ui,-apple-system,Segoe UI,Tahoma,Arial,sans-serif;
  color:var(--text); background:var(--bg);
  display:flex; flex-direction:column; min-height:100vh; line-height:1.65;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}
::selection{background:rgba(37,99,235,.18)}
:root{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  :root{scroll-behavior:auto}
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important}
}

/* Scrollbar لطيف */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(15,23,42,.15);border-radius:999px}
html[data-theme="dark"] ::-webkit-scrollbar-thumb{background:rgba(255,255,255,.20)}

/* ===== الحاوية العامة ===== */
.page{max-width:880px;margin:auto;width:100%;padding:0 var(--gap)}

/* ===== الهيدر ===== */
.header{
  position:sticky; top:0; z-index:40;
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:12px 0; background:rgba(255,255,255,.65);
  border-bottom:1px solid var(--border);
  backdrop-filter:saturate(160%) blur(6px);
  transition:box-shadow .18s ease, background .18s ease;
}
html[data-theme="dark"] .header{background:rgba(21,25,34,.55)}
.header.scrolled{box-shadow:var(--shadow-sm)}

.brand{display:flex; align-items:center; gap:10px; text-decoration:none; color:inherit}
.brand-logo{width:38px;height:38px;border-radius:10px;object-fit:cover;background:#fff;border:1px solid var(--border); box-shadow:var(--shadow-sm)}
.brand-text strong{display:block;font-weight:900;letter-spacing:.2px}
.brand-text span{display:block;font-size:12px;color:var(--muted)}

.home-link{
  display:inline-flex; align-items:center; gap:8px; text-decoration:none; color:var(--text);
  padding:8px 12px; border:1px solid var(--border); border-radius:10px; background:var(--card);
  box-shadow:var(--shadow-sm); transition:transform .18s, box-shadow .18s, color .18s;
  font-weight:700;
}
.home-link svg{width:18px;height:18px;fill:currentColor;opacity:.9}
.home-link:hover{transform:translateY(-1px); box-shadow:var(--shadow)}
.home-link:focus-visible{outline:none; box-shadow:var(--shadow), var(--ring)}

/* ===== البطاقات / الهيرو ===== */
.card{
  background:var(--card); border:1px solid var(--border);
  border-radius:var(--r-lg); padding:16px; margin:14px 0; box-shadow:var(--shadow)
}
.hero{display:flex; align-items:center; gap:14px}
.hero-icon{
  width:56px;height:56px; display:grid; place-items:center;
  border-radius:14px; background:linear-gradient(135deg,var(--primary),var(--primary-2)); color:#fff;
  box-shadow:var(--shadow-sm); flex:0 0 56px
}
.hero-icon svg{width:30px;height:30px;fill:#fff}
.hero h1{margin:.1em 0;font-size:1.6rem}
.hero p{margin:0;color:var(--muted)}

/* ===== التحكّم ===== */
.controls{padding:18px}
#passwordForm{margin:0}
.grid{display:grid; gap:12px; grid-template-columns:1.2fr 1.6fr .9fr}
@media (max-width:960px){ .grid{grid-template-columns:1fr 1fr} }
@media (max-width:640px){ .grid{grid-template-columns:1fr} }

.field{display:flex; flex-direction:column; gap:8px}
.field .label, .field label{font-weight:800}
.field input[type="number"], .field select, .field input[type="text"]{
  width:100%; border:1px solid var(--border); border-radius:12px; padding:10px 12px; background:#fff; color:var(--text);
  transition:border-color .18s, box-shadow .18s, background .18s
}
html[data-theme="dark"] .field input, html[data-theme="dark"] .field select{background:#0f1220}
.field input:focus, .field select:focus{outline:none; border-color:var(--primary); box-shadow:var(--ring)}

.number-input{display:flex; align-items:center; gap:8px}
.number-input .btn-step{
  width:38px;height:38px; border-radius:12px; border:1px solid var(--border); background:var(--card);
  cursor:pointer; display:grid; place-items:center; font-size:18px; line-height:1; box-shadow:var(--shadow-sm);
  transition:transform .18s, box-shadow .18s, background .18s
}
.number-input .btn-step:hover{transform:translateY(-1px); box-shadow:var(--shadow)}
.number-input input[type="number"]{text-align:center}

/* سلايدر الطول */
input[type="range"]{
  -webkit-appearance:none; appearance:none; height:6px; border-radius:999px; background:linear-gradient(90deg,var(--primary),var(--primary-2));
  outline:none; margin-top:6px
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none; width:22px;height:22px; border-radius:50%; background:#fff; border:2px solid var(--primary);
  box-shadow:0 2px 6px rgba(0,0,0,.18)
}

/* التوجّلات */
.toggles{display:grid; gap:8px; align-content:start; grid-template-columns:1fr 1fr}
.toggles .label{grid-column:1/-1}
@media (max-width:640px){ .toggles{grid-template-columns:1fr} }

.toggle{display:flex; align-items:center; gap:10px; background:var(--card); border:1px dashed var(--border);
  padding:10px 12px; border-radius:12px; box-shadow:var(--shadow-sm)}
.toggle input{display:none}
.switch{width:48px;height:26px;border-radius:26px;background:#e5e7eb;position:relative;flex:0 0 48px; transition:background .18s}
.switch::after{content:'';position:absolute;inset:3px auto 3px 3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .18s;box-shadow:0 1px 3px rgba(0,0,0,.15)}
[dir="rtl"] .switch::after{left:auto; right:3px}
.toggle input:checked + .switch{background:linear-gradient(90deg,var(--primary),var(--primary-2))}
.toggle input:checked + .switch::after{transform:translateX(-22px)}
[dir="rtl"] .toggle input:checked + .switch::after{transform:translateX(22px)}
.toggle .txt{font-weight:700}

/* الأزرار */
.generate-actions{display:flex; gap:8px; align-items:center; flex-wrap:wrap; justify-content:flex-start}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:10px 14px; border-radius:12px;
  border:1px solid var(--border); background:var(--card); color:var(--text); cursor:pointer; text-decoration:none;
  box-shadow:var(--shadow-sm); transition:transform .18s, box-shadow .18s, filter .18s
}
.btn:hover{transform:translateY(-1px); box-shadow:var(--shadow)}
.btn:focus-visible{outline:none; box-shadow:var(--shadow), var(--ring)}
.btn svg{width:18px;height:18px;fill:currentColor}
.btn-primary{
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#fff; border-color:transparent; font-weight:800
}

/* ===== المخرجات ===== */
.output{margin-top:10px}
.password-box{
  display:flex; align-items:center; gap:8px; background:var(--card); border:1px solid var(--border); border-radius:14px; padding:8px 8px;
  box-shadow:var(--shadow)
}
.password-box input{
  flex:1; border:none; background:transparent; color:var(--text); padding:10px 12px; font-size:1.05rem; font-weight:800; letter-spacing:.6px
}
.password-box input:focus{outline:none}
.icon-btn{
  width:40px;height:40px; border-radius:12px; border:1px solid var(--border); background:var(--card); display:grid; place-items:center; cursor:pointer;
  box-shadow:var(--shadow-sm); transition:transform .18s, box-shadow .18s
}
.icon-btn:hover{transform:translateY(-1px); box-shadow:var(--shadow)}
.icon-btn svg{width:20px;height:20px;fill:currentColor}

/* ===== شريط القوة ===== */
.strength{margin-top:10px}
.strength-bar{
  position:relative; height:10px; border-radius:999px; background:#e5e7eb; border:1px solid var(--border); overflow:hidden
}
.strength-fill{
  position:absolute; inset:0 auto 0 0; width:0%; transition:width .25s ease, background .25s ease;
  background:#e5e7eb;
}

/* ألوان حسب المستوى */
.strength[data-lv="0"] .strength-fill{background:#ef4444}       /* أحمر - ضعيف جداً */
.strength[data-lv="1"] .strength-fill{background:#f59e0b}       /* برتقالي - ضعيف */
.strength[data-lv="2"] .strength-fill{background:#eab308}       /* أصفر داكن - متوسط */
.strength[data-lv="3"] .strength-fill{background:#22c55e}       /* أخضر - جيد */
.strength[data-lv="4"] .strength-fill{background:#16a34a}       /* أخضر داكن - قوي جداً */

.strength-info{display:flex; gap:10px; flex-wrap:wrap; margin-top:6px; color:var(--muted); font-size:.95rem}

/* ===== النتائج المتعددة ===== */
.list{padding:0}
.list .list-head{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:10px 12px; border-radius:12px; margin-bottom:10px; color:#fff;
  background:linear-gradient(90deg,var(--section-head),#60a5fa); box-shadow:var(--shadow-sm)
}
.list .btn{background:transparent; color:#fff; border-color:rgba(255,255,255,.25)}
.list .btn:hover{background:rgba(255,255,255,.10)}

.pw-list{list-style:none; margin:0; padding:0; display:grid; gap:8px}
.pw-list li{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  background:var(--card); border:1px solid var(--border); border-radius:12px; padding:10px 12px; box-shadow:var(--shadow-sm)
}
.pw-list .pw{
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-weight:800; letter-spacing:.6px
}
.pw-list .copy{white-space:nowrap}

/* ===== نصائح / فوتر ===== */
.tips h3{margin-top:6px}
.tips ul{margin:8px 0 0 0; padding:0 18px}
.tips li{margin:.3em 0}
.footer{padding:18px 0; color:var(--muted); text-align:center}

/* ===== أدوات مساعدة ===== */
.skeleton{position:relative; overflow:hidden; background:linear-gradient(90deg,#e5e7eb 25%,#f3f4f6 37%,#e5e7eb 63%); background-size:400% 100%; animation:shimmer 1.2s infinite}
html[data-theme="dark"] .skeleton{background:linear-gradient(90deg,#1f2430 25%,#222737 37%,#1f2430 63%)}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.truncate{max-width:100%; overflow:hidden; white-space:nowrap; text-overflow:ellipsis}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* لمس مريح */
:where(.btn,.icon-btn,.home-link,.btn-step){-webkit-tap-highlight-color:transparent}